Jennifer Lopezis enjoying her romantic getaway with boyfriendBen Affleckfor her 52nd birthday.

The two-time Grammy Award nominee, 52, lived it up with Affleck, 48, on Saturday at the nightclub L’Opéra in St. Tropez where they celebrated with an intimate group of friends.

“They are having a beautiful trip,” a source tells PEOPLE. “They celebrated Jen’s birthday at a club last night. She looked gorgeous and very happy.”

BACKGRID

Jennifer Lopez and Ben Affleck

Lopez and Affleckmade their rekindled romance Instagram officialon Saturday when they shared a passionate kiss in a photo she posted.

For more onJennifer LopezandBen Affleck’s trip in St. Tropez and other top stories, listen below toour daily podcast PEOPLE Every Day.

“5 2 … what it do …” she captioned some photos of them celebrating her birthday aboard a yacht. Although her palLeah Reminipreviouslyposted a photo of them at her birthday party, it was the first time the lovebirds shared a glimpse at their relationship on their own social media accounts.

Jennifer Lopez and Ben Affleck

TheGiglistars' romantic yachting trip comes as her exAlex Rodriguezalso posted photos from another boat off St. Tropez, where he’scelebrating his own upcoming 46th birthday. “He’s with family and friends and people he works with,” a source told PEOPLE. “He’s doing great and celebrating his birthday and Minnesota Timberwolves sale.”

Rodriguez and Lopezcalled off their engagement in Aprilafter four years together. “We have realized we are better as friends and look forward to remaining so,” they said in a joint statement to PEOPLE at the time.

Lopez and Affleckbegan seeing each other againlater that monthfollowing his splitfromAna de Armas, 33.

RELATED VIDEO:Jennifer LopezandBen AffleckEnjoy L.A. Date Night: ‘They Were Both in a Great Mood,’ Source Says

The current couple originally began dating in July 2002 after filmingGiglitogether. They got engaged that November before postponing their September 2003 wedding, just days before the date, and ultimately calling off their engagement in January 2004.

A source recently told PEOPLE that they are"madly in love"and they are “the loves of each other’s lives.” Another source added, “Even though their split many years ago was devastating for Jennifer, she has never had a bad word to say about Ben. She believes that it just wasn’t meant to be then and feels like they’ve been given a second chance.”

source: people.com